246 A FLORA OF MANILA 
nearly white. Pod 5 to 10 cm long, flat, 6- to 10-seeded. (FI. Filip. 
pl. 301.) 
Quite common in thickets, ‘ites cultivated; throughout the Philippines, 
but certainly introduced. Cosmopolitan in the tropics. 
32. PAROSELA Cavanilles : 
Erect, branched, glandular-punctate herbs with alternate, odd-pinnate 
leaves, the leaflets small, numerous. Flowers blue or purplish, in dense, 
terminal, peduncled, or subsessile, head-like spikes. Calyx-teeth subequal. 
Standard broad, clawed, base of the limb cordate or auricled; wings and 
keel usually longer than the standard, their claws usually adnate to the 
staminal tube. Stamens 10 or 9, monadelphous. Pods membranaceous, 
included in the calyx, usually 1-seeded and indehiscent. (Anagram of 
Psoralea, an allied genus.) 
Species 100 or more mostly in North America, few in South America, 
1 Mexican species introduced and thoroughly naturalized here. 
1. P. GLANDULOSA (Blanco) Merr. (Psoralia nigra Mart. & Gal.). Dura 
(Tag.). 
An erect, branched, nearly or quite glabrous herb 30 to 60 cm high, the 
stems reddish or purplish. Leaves about 3 cm long; leaflets linear to 
narrowly oblong, obtuse, 4 to 10 mm long, prominently glandular-punctate 
beneath. Spikes dense, capitate ovoid to oblong, 1 to 2 cm long. Flowers 
very numerous, each substended by a lanceolate, long-acuminate, pubescent, 
glandular, 6 to 7 mm long bract. Calyx greenish, hirsute. Corolla, includ- 
ing the slender white tube, about 7 mm long, the limb blue, exserted. Pod 
small, pubescent. 
Very common in open dry lands, San Pedro Macati, etc., fi. Sept._Feb.; 
locally common in Luzon. A native of Mexico thoroughly naturalized here, 
but not reported from any other part of the Orient. 
83. PTEROCARPUS Linnaeus 
Trees with odd-pinnate leaves, the leaflets ovate, entire, alternate. 
Flowers yellow, in axillary panicled racemes, the pedicels jointed at the 
apex. Calyx turbinate, curved in bud, the teeth short. Petals exserted, 
long-clawed, the standard and wings crisped. Staminal sheath slit above 
and below or only above, the upper stamen often nearly or quite free. 
Ovary. 2-ovuled; style incurved. Pod orbicular, usually 1-seeded, indehis- 
cent, surrounded by a broad wing. (Greek “wing” and “fruit.’’) 
Species 15 or more, cosmopolitan in the tropics, 3 in the Philippines. 
Eb OT + ies LE a Aaa A = SCs ha Ralaat ead 2a 1 Ean ena B 1. P. indicus 
Pods covered with slender spreading spines.....................--.-.-.---- 2. P. echinatus 
1. P. indicus Willd. Narra (Tag.); Naga (Vis.). 
A tree reaching a height of 25 m or more. Leaves 15 to 30 em long; 
leaflets 7 to 11, ovate to oblong-ovate, blunt-acuminate, 5 to 10 cm long, 
alternate, shining. Panicles axillary, branched. Flowers numerous, yellow, 
about 1.5 em long. Young pods pubescent, glabrous or nearly so when 
mature, orbicular to obovate, including the wing 4 to 5.5 cm long, the wing 
1 to 1.5 cm wide, more or less reticulate and undulate, very shortly beaked. 
(Fl. Filip pl. 205.) 
A single tree in the old Botanical Garden, fl. Apr—May; widely distributed 
in the Philippines. India to China, Malaya, and Polynesia. 
